..This analysis revealed that specimens from Naples, Italy, have the Pacific-type genome, perhaps due to human-mediated marine transport of species. Despite major genomic divergence, the two forms could be hybridized in the laboratory...

CpG methylation is targeted to transcription units in an invertebrate genome

..Only opsonic activity has been assigned to the invertebrate complement system until now. Therefore, this is the first molecular evidence for complement-mediated immunological cytotoxicity in invertebrates...